For 1977-1978 GMC K35 Rocker Panel Backing Plate Right - Passenger Side 81562TF

Right - Passenger Side Rocker Panel Backing Plate For 1977-1978 GMC K35 WY274WP

For 1977-1978 GMC K35 Rocker Panel Backing Plate 21984MMQF

For 1975-1986 Chevrolet K20 Rocker Panel Backing Plate 88164ZC

Left - Driver Side Rocker Panel Backing Plate fits GMC K35 1977-1978 52ZWMJ

57MK81S Right - Passenger Side Rocker Panel Backing Plate Fits 1975-1978 GMC C15

89KV57X Right - Passenger Side Rocker Panel Backing Plate Fits 1975-1978 GMC K25

Right - Passenger Side Rocker Panel Backing Plate For 1979-1986 GMC K1500 D539GB